The Silent Sea Key to Salvation (Season 1, Episode 6)
TV-MA
TV Episode | 44 min | Adventure, Drama, Mystery

The Silent Sea

Key to Salvation (Season 1, Episode 6)

TV-MA

TV Episode | 44 min | Adventure, Drama, Mystery

E2, Ryu Taesuk and the samples go missing. Seeing a familiar name on the intruder, Jian follows her down the vents for answers.

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Cast	+ Add Cast
23 cast members

Name	Known for
Bae Doona Doctor Song Ji-an Doctor Song Ji-an See fewer	Cloud Atlas (2012)
Gong Yoo Han Yoon-jae Han Yoon-jae See fewer	Train to Busan (2016)
Lee Joon Captain Ryoo Tae-seok (as Joon Lee) Captain Ryoo Tae-seok (as Joon Lee) See fewer	Ninja Assassin (2009)
Gina Su Various (voice) Various (voice) See fewer	Autopilot (I) (2023)
Kim Sun-young Doctor Hong Ga-Young Doctor Hong Ga-Young See fewer	Three Sisters (II) (2020)
Lee Moo-saeng Chief Gong Soo-Hyuk Chief Gong Soo-Hyuk See fewer	The Silent Sea (2021)
Lee Sung-wook Kim Hee Sun Kim Hee Sun See fewer	The Silent Sea (2021)
Jung Soon-won Gong Soo-Chan (credit only) Gong Soo-Chan (credit only) See fewer	Along With the Gods: The Two Worlds (2017)
Choi Young-woo Lee Gi-Su [co-pilot] (credit only) Lee Gi-Su [co-pilot] (credit only) See fewer	The Silent Sea (2021)
Cha Rae-hyung E1 (credit only) (as Rae-Hyung Cha) E1 (credit only) (as Rae-Hyung Cha) See fewer	The Silent Sea (2021)
Yoo Hee-je E2 E2 See fewer	The Silent Sea (2021)
Yoo Seong-ju Mr. Hwang (credit only) Mr. Hwang (credit only) See fewer	The Silent Sea (2021)
Kang Mal-Geum Song Won-Kyung (credit only) (as Mal-Geum Kang) Song Won-Kyung (credit only) (as Mal-Geum Kang) See fewer	Lucky Chan-sil (2019)
Kil Hae-yeon Director Choi (credit only) (as Hae-yeon Kil) Director Choi (credit only) (as Hae-yeon Kil) See fewer	Heard It Through the Grapevine (2015)
Heo Sung-tae Kim Jae-sun Kim Jae-sun See fewer	Squid Game (2021)
Kim Si-Ah Luna Luna See fewer	Miss Baek (2018)
Choi Hee-jin Doctor in NMC (as Hee-jin Choi) Doctor in NMC (as Hee-jin Choi) See fewer	Thirst (2009)
Bo-Min Kim Han Ha-Jin Han Ha-Jin See fewer	The Silent Sea (2021)
Ahn Se-bin Girl in the crowd Girl in the crowd See fewer	The Silent Sea (2021)
Feodor Chin Kim Hee-sun (voice) (version: English) Kim Hee-sun (voice) (version: English) See fewer	Overwatch (2016)
Nicole Fong Automated therapist (voice) (version: English) Automated therapist (voice) (version: English) See fewer	Call Me Kat (2021)
Jasper Jeon Captain Ryoo Tae-seok / Captain Ryu Tae-Suk Captain Ryoo Tae-seok / Captain Ryu Tae-Suk See fewer	The Last of Us: Part II (2020)
Chase Yi E2 (voice) (version: English) E2 (voice) (version: English) See fewer	Night Teeth (2021)